This is an unmounted Chelsea double bellow Barometer with a thermometer built in. The item “Chelsea 4.5 Brass Double Bellow Barometer” is in sale since Wednesday, January 04, 2017. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “4hardley1288″ and is located in Oakland, California. This item can be shipped [...]